Precision Straight Shank ER Collet Chuck with step. Chucks come with Nut. Wrenches are sold separately.Hardened and ground to exacting specifications.
Straight-Shank ER20 Collet Chuck (Extension) (Hex) | 1 in.
ER11 Collet Floating Reamer Holder (Hex Nut) | 5/8 in.
ER8 Straight-Shank Collet Chuck (Extension)
Straight-Shank ER20 Collet Chuck (Extension) | 1 in.
ER16 Straight-Shank Collet Chuck (Step)